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| Number | Title | Issue Date |
| 7660715 | Transparent monitoring and intervention to improve automatic adaptation of speech models A system and method to improve the automatic adaptation of one or more speech models in automatic speech recognition systems. After a dialog begins, for example, the dialog asks the customer to provide spoken input and it is recorded. If the speech recognizer determ... | 02/09/2010 |
| 7634406 | System and method for identifying semantic intent from acoustic information In accordance with one embodiment of the present invention, unanticipated semantic intents are discovered in audio data in an unsupervised manner. For instance, the audio acoustics are clustered based on semantic intent and representative acoustics are chosen for ea... | 12/15/2009 |
| 7590536 | Voice language model adjustment based on user affinity Methods, systems and computer readable medium for improving the accuracy of voice processing are provided. Embodiments of the present invention generally provide methods, systems and articles of manufacture for adjusting a language model within a voice recognition s... | 09/15/2009 |
| 7580836 | Speaker adaptation using weighted feedback In some embodiments, the invention includes calculating estimated weights for identified errors in recognition of utterances. Sections of the utterances are marked as being misrecognized and the corresponding estimated weights are associated with these sections of t... | 08/25/2009 |
| 7580837 | System and method for targeted tuning module of a speech recognition system A system and method are disclosed for targeted tuning of a speech recognition system. A method incorporating teachings of the present disclosure may include deploying a speech recognition module to apply an appropriate interpretation to a plurality of utterance type... | 08/25/2009 |
| 7574359 | Speaker selection training via a-posteriori Gaussian mixture model analysis, transformation, and combination of hidden Markov models The present invention is directed to a 3-stage adaptation framework based on speaker selection training. First a subset of cohort speakers is selected for a test speaker. Then cohort models are transformed to be closer to the test speaker. Finally the adapted model ... | 08/11/2009 |
| 7533018 | Tailored speaker-independent voice recognition system A tailored speaker-independent voice recognition system has a speech recognition dictionary (360) with at least one word (371). That word (371) has at least two transcriptions (373), each transcription (373) having a probability fa... | 05/12/2009 |
| 7529668 | System and method for implementing a refined dictionary for speech recognition A system and method for implementing a refined dictionary for speech recognition includes a database analyzer that initially identifies first vocabulary words that are present in a training database and second vocabulary words that are not present in the training da... | 05/05/2009 |
| 7516071 | Method of modeling single-enrollment classes in verification and identification tasks In automatic pattern recognition, in the context of patterns being observed either in the same or a new environment, e.g. a new acoustic channel, as compared to the one seen during the previous enrollment, an improvement wherein degradation of the system recognition... | 04/07/2009 |
| 7509257 | Method and apparatus for adapting reference templates A method and apparatus for adapting reference templates is provided. The method includes adapting one or more reference templates using a stored test utterance by replacing data within at the reference templates with a weighted interpolation of that data and corresp... | 03/24/2009 |
| 7505905 | In-the-field adaptation of a large vocabulary automatic speech recognizer (ASR) A technique for improving the recognition accuracy of a speech recognizer includes deploying the speech recognizer, wherein live input data is received by the recognizer as an input for a given speaker independent adaptation algorithm associated with the speech reco... | 03/17/2009 |
| 7457750 | Systems and methods for dynamic re-configurable speech recognition Speech recognition models are dynamically re-configurable based on user information, background information such as background noise and transducer information such as transducer response characteristics to provide users with alternate input modes to keyboard text e... | 11/25/2008 |
| 7451085 | System and method for providing a compensated speech recognition model for speech recognition An automatic speech recognition (ASR) system and method is provided for controlling the recognition of speech utterances generated by an end user operating a communications device. The ASR system and method can be used with a communications device that is used in a ... | 11/11/2008 |
| 7440895 | System and method for tuning and testing in a speech recognition system Systems and methods for improving the performance of a speech recognition system. In some embodiments a tuner module and/or a tester module are configured to cooperate with a speech recognition system. The tester and tuner modules can be configured to cooperate with... | 10/21/2008 |
| 7437289 | Methods and apparatus for the systematic adaptation of classification systems from sparse adaptation data Methods and apparatus for the rapid adaptation of classification systems using small amounts of adaptation data. Improvements in classification accuracy are attainable when conditions similar to those that present in adaptation are observed. The attendant methods an... | 10/14/2008 |
| 7428491 | Method and system for obtaining personal aliases through voice recognition Methods and systems for recognizing a spoken alias are disclosed. The present invention includes generating a plurality of alias variations based on a discoverable name and creating a phonetic representation for each of the alias variations. The present invention al... | 09/23/2008 |
| 7415409 | Method to train the language model of a speech recognition system to convert and index voicemails on a search engine A method and a related system to index voicemail documents by training a language model for a speaker or group of speakers by using existing emails and contact information on available repositories. ... | 08/19/2008 |
| 7403896 | Speech recognition system and program thereof Speech recognition is performed by matching between a characteristic quantity of an inputted speech and a composite HMM obtained by synthesizing a speech HMM (hidden Markov model) and a noise HMM for each speech frame of the inputted speech by use of the composite H... | 07/22/2008 |
| 7373294 | Intonation transformation for speech therapy and the like The intonation of speech is modified by an appropriate combination of resampling and time-domain harmonic scaling. Resampling increases (upsampling) or decreases (downsampling) the number of data points in a signal. Harmonic scaling adds or removes pitch cycles to o... | 05/13/2008 |
| 7366352 | Method and apparatus for performing fast closest match in pattern recognition A method and apparatus for determining a closest match of N input patterns relative to R reference patterns using K processing units. Each of a set of input patterns are loaded into the K processing units. One of the Reference patterns is sequentially loaded into ea... | 04/29/2008 |
| 7366669 | Acoustic model creation method as well as acoustic model creation apparatus and speech recognition apparatus To provide an acoustic model which can absorb the fluctuation of a phonemic environment in an interval longer than a syllable, with the number of parameters of the acoustic model suppressed to be small, a phoneme-connected syllable HMM/syllable-connected HMM set is ... | 04/29/2008 |
| 7363223 | Policy analysis framework for conversational biometrics The present invention describes a framework for the analytical and visual analysis and tuning of complex speaker verification systems guided by a policy finite state machine. The Receiver Operating Curve associated with the acoustic speaker recognition task is trans... | 04/22/2008 |
| 7362892 | Self-optimizing classifier A method and computer program product are disclosed for determining an optimal classifier model for a pattern recognition system and updating the determined model to recognize new output classes. An initial plurality of classifier models are selected from a set of g... | 04/22/2008 |
| 7359857 | Method and system of correcting spectral deformations in the voice, introduced by a communication network A technique for correcting the voice spectral deformations introduced by a communication network. Prior to the operation of equalization of the voice signal of a speaker, the constitution of classes of speakers is communicated, with one voice reference per class. Th... | 04/15/2008 |
| 7359393 | Method and apparatus for border gateway protocol convergence using update groups A method and apparatus for establishing update groups of peers having matching outbound policies are disclosed. When a change in the outbound policy of a peer is identified, the update group membership of the peer is resolved. ... | 04/15/2008 |
| 7353172 | System and method for cantonese speech recognition using an optimized phone set The present invention comprises a system and method for implementing a Cantonese speech recognizer with an optimized phone set, and may include a recognizer configured to compare input speech data to phone strings from a vocabulary dictionary that is implemented acc... | 04/01/2008 |
| 7353174 | System and method for effectively implementing a Mandarin Chinese speech recognition dictionary The present invention comprises a system and method for effectively implementing a Mandarin Chinese speech recognition dictionary, and may include a recognizer configured to compare input speech data to phone strings from a vocabulary dictionary that is implemented ... | 04/01/2008 |
| 7353173 | System and method for Mandarin Chinese speech recognition using an optimized phone set The present invention comprises a system and method for implementing a Mandarin Chinese speech recognizer with an optimized phone set, and may include a recognizer configured to compare input speech data to phone strings from a vocabulary dictionary that is implemen... | 04/01/2008 |
| 7346507 | Method and apparatus for training an automated speech recognition-based system A method and apparatus for building a training set for an automated speech recognition-based system, which determines the statistically optimal number of frequently requested responses to automate in order to achieve a desired automation rate. The invention may be u... | 03/18/2008 |
| 7340397 | Speech recognition optimization tool A method of optimizing audio input for speech recognition applications can include identifying a source waveform and at least one optimization parameter, wherein the optimization parameter is configured to adjust audio input to a speech recognition application. The ... | 03/04/2008 |
| 7340396 | Method and apparatus for providing a speaker adapted speech recognition model set Speech feature vectors (10) are provided and utilized to develop a corresponding estimated speaker dependent speech feature space model (20) (in one embodiment, it is not necessary that this model (20) have defined correlations with the verbal c... | 03/04/2008 |
| 7340395 | Multiple speech recognition engines A system having multiple speech recognition engines, each operable to recognize spoken data, is described. A speech recognition engine manager detects the speech recognition engines, and selects at least one for recognizing spoken input from a user, via a user inter... | 03/04/2008 |
| 7337116 | Speech processing system A system is provided for allowing a user to add word models to a speech recognition system. In particular, the system allows a user to input a number of renditions of the new word and which generates from these a sequence of phonemes representative of the new word. ... | 02/26/2008 |
| 7324941 | Method and apparatus for discriminative estimation of parameters in maximum a posteriori (MAP) speaker adaptation condition and voice recognition method and apparatus including these A method and apparatus for discriminative estimation of parameters in a maximum a posteriori (MAP) speaker adaptation condition, and a voice recognition apparatus having the apparatus and a voice recognition method using the method are provided. The method for discr... | 01/29/2008 |
| 7319956 | Method and apparatus to perform speech reference enrollment based on input speech characteristics A speech reference enrollment method involves requesting a user speak a word; detecting a first utterance; requesting the user speak the word; detecting a second utterance; determining a first similarity between the first utterance and the second utterance; when the... | 01/15/2008 |
| 7319959 | Multi-source phoneme classification for noise-robust automatic speech recognition A system and method are disclosed for processing an audio signal including separating the audio signal into a plurality of streams which group sounds from a same source prior to classification and analyzing each separate stream to determine phoneme-level classificat... | 01/15/2008 |
| 7318062 | Storing method metadata in code In one embodiment, the present invention includes a method for storing a method bundle in code which may include method metadata and a cookie indicator to indicate the presence of method information. After such storage, a query may be performed to search for the met... | 01/08/2008 |
| 7310599 | Removing noise from feature vectors A method and computer-readable medium are provided for identifying clean signal feature vectors from noisy signal feature vectors. Aspects of the invention use mixtures of distributions of noise feature vectors and/or channel distortion feature vectors when identify... | 12/18/2007 |
| 7302389 | Automatic assessment of phonological processes A computer-based system generates alternative phonetic transcriptions for a target word or phrase corresponding to specific phonological processes that replace individual phonemes or clusters of two or more phonemes with replacement phonemes. The system compares a u... | 11/27/2007 |
| 7302391 | Methods and apparatus for performing speech recognition over a network and using speech recognition results Techniques for generating, distributing, and using speech recognition models are described. A shared speech processing facility is used to support speech recognition for a wide variety of devices with limited capabilities including business computer systems, persona... | 11/27/2007 |